There are no standards. Some scents whip through their development and disappear in under an hour while some will remain in "stasis" in one phase or another for hours. The rate and duration of development will vary with application, humidity, temperature, and perhaps most importantly, individual perception.
How do you know you've "sniffed the full complement of the scent?" When you can no longer smell it. I prefer multiple wearings in case I miss something the first time around.